Trades Invoice Template

Free Plumber Invoice Template

Send professional invoices for plumbing repairs, installations, and service calls. Clear itemization of labor and parts helps you get paid promptly and avoid disputes.

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What is a Plumber invoice?

A plumber invoice is a billing document issued by a licensed plumber after completing plumbing installation, repair, or maintenance work. It details labor charges, parts and fixtures used, service call fees, and permit costs where applicable. The invoice serves as the official payment request and documents compliance with code for future inspections or property transactions.

What to include on a Plumber invoice

Common plumber invoice line items

Service Typical Rate Unit
Plumbing Labor $85 - $160 per hour
Service Call / Diagnostic Fee $75 - $150 per visit
Water Heater Installation $300 - $700 per unit
Fixture (faucet, toilet, etc.) cost + 20-30% per fixture
Pipe Repair or Replacement $200 - $1,000 per job
Drain Cleaning $150 - $350 per drain

How to invoice as a plumber

Plumbers commonly charge a flat service call fee for the first visit, then hourly for additional time beyond the initial diagnostic. For straightforward jobs like fixture replacements or drain cleaning, many plumbers use flat-rate pricing, which simplifies the invoice and reduces customer friction. Always itemize parts separately from labor. Include your markup on parts, which is typically 20-30% over your cost. For larger jobs such as repiping or new construction rough-in, use a two or three stage payment schedule tied to milestones. Include your license number and any warranty terms for the work performed, as clients will refer back to the invoice when warranty issues arise.

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Frequently asked questions

Should plumbers use flat-rate or hourly pricing?
Both are valid. Flat-rate pricing works well for common, predictable jobs like toilet replacements, faucet installs, or drain cleaning, as it gives clients certainty and simplifies invoicing. Hourly pricing is better for troubleshooting, repiping, or jobs where the scope is unclear until the work is underway. Many plumbers use flat rates for standard service calls and switch to hourly for larger or more complex projects.
How do I invoice for parts and materials?
List each part with a description, quantity, and unit price. Apply a markup of 20-30% over your wholesale cost to cover procurement, carrying, and warranty handling. Clients expect material markups from licensed tradespeople. Avoid supplying parts at cost, as this does not account for your time spent sourcing and the risk of defective parts. For specialty or high-cost items, consider showing the retail price to help clients understand the value.
What should I do when a job costs more than the estimate?
Stop work, contact the client immediately, and explain what you found. Issue a written change order before proceeding with the additional scope. Never just add charges to the final invoice without prior authorization. For small overruns (under $200), some plumbers include a contingency clause in their original estimate. For larger surprises, always get written approval. Clients who understand the reason for cost increases are far less likely to dispute the invoice.
How should I handle emergency plumbing calls on my invoice?
Charge a premium for emergency or after-hours response, typically 1.5x to 2x your standard rate. Document the call time, arrival time, and completion time on the invoice. Be explicit in labeling the rate as an emergency premium. Many clients accept higher rates for emergency work but will dispute them later if they were not clearly communicated upfront. State your emergency rate policy in your service agreement as well.
Should plumber invoices include warranty information?
Yes. Briefly state the warranty you offer for labor and for parts you supplied. A typical plumbing warranty is 1 year on labor and the manufacturer's warranty on parts. Including this on the invoice sets expectations, builds trust, and reduces callbacks from clients who assume longer coverage than you intended. It also protects you by documenting exactly what was warranted and for how long.
What are the typical payment terms for plumbing invoices?
For residential service calls and small repairs, payment is commonly due on completion (Net 0 or Net 7). For larger renovation or remodel plumbing work, Net 14 or Net 30 with a deposit structure is standard. Including a late fee clause of 1.5% per month on overdue balances gives you a contractual basis for collection. Many plumbers accept credit cards on-site, which reduces collection delays significantly.
Can I use this template for free?
Yes. Tidybill's free plan lets you create up to 5 invoices per month at no cost, with no credit card required. You can use the Plumber invoice template straight away after signing up.